projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[SCSI] lpfc 8.1.2: Remove hba_list from struct lpfc_hba
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / lpfc / lpfc_hbadisc.c
CommitLineData
dea3101e
JB		 1/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
c44ce173
JSEC		 3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2004-2005 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
dea3101e 6 * www.emulex.com *
c44ce173 7 * Portions Copyright (C) 2004-2005 Christoph Hellwig *
dea3101e
JB		 8 * *
9 * This program is free software; you can redistribute it and/or *
c44ce173
JSEC		 10 * modify it under the terms of version 2 of the GNU General *
11 * Public License as published by the Free Software Foundation. *
12 * This program is distributed in the hope that it will be useful. *
13 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
14 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
15 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
16 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
17 * TO BE LEGALLY INVALID. See the GNU General Public License for *
18 * more details, a copy of which can be found in the file COPYING *
19 * included with this package. *
dea3101e
JB		 20 *******************************************************************/
21
dea3101e
JB		 22#include <linux/blkdev.h>
23#include <linux/pci.h>
24#include <linux/kthread.h>
25#include <linux/interrupt.h>
26
91886523 27#include <scsi/scsi.h>
dea3101e
JB		 28#include <scsi/scsi_device.h>
29#include <scsi/scsi_host.h>
30#include <scsi/scsi_transport_fc.h>
31
32#include "lpfc_hw.h"
33#include "lpfc_disc.h"
34#include "lpfc_sli.h"
35#include "lpfc_scsi.h"
36#include "lpfc.h"
37#include "lpfc_logmsg.h"
38#include "lpfc_crtn.h"
39
40/* AlpaArray for assignment of scsid for scan-down and bind_method */
41static uint8_t lpfcAlpaArray[] = {
42 0xEF, 0xE8, 0xE4, 0xE2, 0xE1, 0xE0, 0xDC, 0xDA, 0xD9, 0xD6,
43 0xD5, 0xD4, 0xD3, 0xD2, 0xD1, 0xCE, 0xCD, 0xCC, 0xCB, 0xCA,
44 0xC9, 0xC7, 0xC6, 0xC5, 0xC3, 0xBC, 0xBA, 0xB9, 0xB6, 0xB5,
45 0xB4, 0xB3, 0xB2, 0xB1, 0xAE, 0xAD, 0xAC, 0xAB, 0xAA, 0xA9,
46 0xA7, 0xA6, 0xA5, 0xA3, 0x9F, 0x9E, 0x9D, 0x9B, 0x98, 0x97,
47 0x90, 0x8F, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7C, 0x7A, 0x79,
48 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x6E, 0x6D, 0x6C, 0x6B,
49 0x6A, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5C, 0x5A, 0x59, 0x56,
50 0x55, 0x54, 0x53, 0x52, 0x51, 0x4E, 0x4D, 0x4C, 0x4B, 0x4A,
51 0x49, 0x47, 0x46, 0x45, 0x43, 0x3C, 0x3A, 0x39, 0x36, 0x35,
52 0x34, 0x33, 0x32, 0x31, 0x2E, 0x2D, 0x2C, 0x2B, 0x2A, 0x29,
53 0x27, 0x26, 0x25, 0x23, 0x1F, 0x1E, 0x1D, 0x1B, 0x18, 0x17,
54 0x10, 0x0F, 0x08, 0x04, 0x02, 0x01
55};
56
57static void lpfc_disc_timeout_handler(struct lpfc_hba *);
58
59static void
60lpfc_process_nodev_timeout(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
61{
6e8215e4 62 int warn_on = 0;
dea3101e
JB		 63
64 spin_lock_irq(phba->host->host_lock);
65 if (!(ndlp->nlp_flag & NLP_NODEV_TMO)) {
66 spin_unlock_irq(phba->host->host_lock);
67 return;
68 }
69
70 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
71
72 if (ndlp->nlp_sid != NLP_NO_SID) {
6e8215e4 73 warn_on = 1;
dea3101e
JB		 74 /* flush the target */
75 lpfc_sli_abort_iocb(phba, &phba->sli.ring[phba->sli.fcp_ring],
76 ndlp->nlp_sid, 0, 0, LPFC_CTX_TGT);
77 }
78 spin_unlock_irq(phba->host->host_lock);
79
6e8215e4
JSEC		 80 if (warn_on) {
81 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
82 "%d:0203 Nodev timeout on NPort x%x "
83 "Data: x%x x%x x%x\n",
84 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
85 ndlp->nlp_state, ndlp->nlp_rpi);
86 } else {
87 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
88 "%d:0204 Nodev timeout on NPort x%x "
89 "Data: x%x x%x x%x\n",
90 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
91 ndlp->nlp_state, ndlp->nlp_rpi);
92 }
93
dea3101e
JB		 94 lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RM);
95 return;
96}
97
98static void
99lpfc_work_list_done(struct lpfc_hba * phba)
100{
101 struct lpfc_work_evt *evtp = NULL;
102 struct lpfc_nodelist *ndlp;
103 int free_evt;
104
105 spin_lock_irq(phba->host->host_lock);
106 while(!list_empty(&phba->work_list)) {
107 list_remove_head((&phba->work_list), evtp, typeof(*evtp),
108 evt_listp);
109 spin_unlock_irq(phba->host->host_lock);
110 free_evt = 1;
111 switch(evtp->evt) {
112 case LPFC_EVT_NODEV_TMO:
113 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
114 lpfc_process_nodev_timeout(phba, ndlp);
115 free_evt = 0;
116 break;
117 case LPFC_EVT_ELS_RETRY:
118 ndlp = (struct lpfc_nodelist *)(evtp->evt_arg1);
119 lpfc_els_retry_delay_handler(ndlp);
120 free_evt = 0;
121 break;
122 case LPFC_EVT_ONLINE:
123 *(int *)(evtp->evt_arg1) = lpfc_online(phba);
124 complete((struct completion *)(evtp->evt_arg2));
125 break;
126 case LPFC_EVT_OFFLINE:
127 *(int *)(evtp->evt_arg1) = lpfc_offline(phba);
128 complete((struct completion *)(evtp->evt_arg2));
129 break;
130 }
131 if (free_evt)
132 kfree(evtp);
133 spin_lock_irq(phba->host->host_lock);
134 }
135 spin_unlock_irq(phba->host->host_lock);
136
137}
138
139static void
140lpfc_work_done(struct lpfc_hba * phba)
141{
142 struct lpfc_sli_ring *pring;
143 int i;
144 uint32_t ha_copy;
145 uint32_t control;
146 uint32_t work_hba_events;
147
148 spin_lock_irq(phba->host->host_lock);
149 ha_copy = phba->work_ha;
150 phba->work_ha = 0;
151 work_hba_events=phba->work_hba_events;
152 spin_unlock_irq(phba->host->host_lock);
153
154 if(ha_copy & HA_ERATT)
155 lpfc_handle_eratt(phba);
156
157 if(ha_copy & HA_MBATT)
158 lpfc_sli_handle_mb_event(phba);
159
160 if(ha_copy & HA_LATT)
161 lpfc_handle_latt(phba);
162
163 if (work_hba_events & WORKER_DISC_TMO)
164 lpfc_disc_timeout_handler(phba);
165
166 if (work_hba_events & WORKER_ELS_TMO)
167 lpfc_els_timeout_handler(phba);
168
169 if (work_hba_events & WORKER_MBOX_TMO)
170 lpfc_mbox_timeout_handler(phba);
171
172 if (work_hba_events & WORKER_FDMI_TMO)
173 lpfc_fdmi_tmo_handler(phba);
174
175 spin_lock_irq(phba->host->host_lock);
176 phba->work_hba_events &= ~work_hba_events;
177 spin_unlock_irq(phba->host->host_lock);
178
179 for (i = 0; i < phba->sli.num_rings; i++, ha_copy >>= 4) {
180 pring = &phba->sli.ring[i];
181 if ((ha_copy & HA_RXATT)
182 || (pring->flag & LPFC_DEFERRED_RING_EVENT)) {
183 if (pring->flag & LPFC_STOP_IOCB_MASK) {
184 pring->flag |= LPFC_DEFERRED_RING_EVENT;
185 } else {
186 lpfc_sli_handle_slow_ring_event(phba, pring,
187 (ha_copy &
188 HA_RXMASK));
189 pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
190 }
191 /*
192 * Turn on Ring interrupts
193 */
194 spin_lock_irq(phba->host->host_lock);
195 control = readl(phba->HCregaddr);
196 control |= (HC_R0INT_ENA << i);
197 writel(control, phba->HCregaddr);
198 readl(phba->HCregaddr); /* flush */
199 spin_unlock_irq(phba->host->host_lock);
200 }
201 }
202
203 lpfc_work_list_done (phba);
204
205}
206
207static int
208check_work_wait_done(struct lpfc_hba *phba) {
209
210 spin_lock_irq(phba->host->host_lock);
211 if (phba->work_ha ||
212 phba->work_hba_events ||
213 (!list_empty(&phba->work_list)) ||
214 kthread_should_stop()) {
215 spin_unlock_irq(phba->host->host_lock);
216 return 1;
217 } else {
218 spin_unlock_irq(phba->host->host_lock);
219 return 0;
220 }
221}
222
223int
224lpfc_do_work(void *p)
225{
226 struct lpfc_hba *phba = p;
227 int rc;
228 DECLARE_WAIT_QUEUE_HEAD(work_waitq);
229
230 set_user_nice(current, -20);
231 phba->work_wait = &work_waitq;
232
233 while (1) {
234
235 rc = wait_event_interruptible(work_waitq,
236 check_work_wait_done(phba));
237 BUG_ON(rc);
238
239 if (kthread_should_stop())
240 break;
241
242 lpfc_work_done(phba);
243
244 }
245 phba->work_wait = NULL;
246 return 0;
247}
248
249/*
250 * This is only called to handle FC worker events. Since this a rare
251 * occurance, we allocate a struct lpfc_work_evt structure here instead of
252 * embedding it in the IOCB.
253 */
254int
255lpfc_workq_post_event(struct lpfc_hba * phba, void *arg1, void *arg2,
256 uint32_t evt)
257{
258 struct lpfc_work_evt *evtp;
259
260 /*
261 * All Mailbox completions and LPFC_ELS_RING rcv ring IOCB events will
262 * be queued to worker thread for processing
263 */
264 evtp = kmalloc(sizeof(struct lpfc_work_evt), GFP_KERNEL);
265 if (!evtp)
266 return 0;
267
268 evtp->evt_arg1 = arg1;
269 evtp->evt_arg2 = arg2;
270 evtp->evt = evt;
271
272 list_add_tail(&evtp->evt_listp, &phba->work_list);
273 spin_lock_irq(phba->host->host_lock);
274 if (phba->work_wait)
275 wake_up(phba->work_wait);
276 spin_unlock_irq(phba->host->host_lock);
277
278 return 1;
279}
280
281int
282lpfc_linkdown(struct lpfc_hba * phba)
283{
284 struct lpfc_sli *psli;
285 struct lpfc_nodelist *ndlp, *next_ndlp;
c9f8735b 286 struct list_head *listp, *node_list[7];
dea3101e
JB		 287 LPFC_MBOXQ_t *mb;
288 int rc, i;
289
290 psli = &phba->sli;
291
c9f8735b
JW		 292 /* sysfs or selective reset may call this routine to clean up */
293 if (phba->hba_state > LPFC_LINK_DOWN) {
294 spin_lock_irq(phba->host->host_lock);
295 phba->hba_state = LPFC_LINK_DOWN;
296 spin_unlock_irq(phba->host->host_lock);
297 }
dea3101e
JB		 298
299 /* Clean up any firmware default rpi's */
300 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
301 lpfc_unreg_did(phba, 0xffffffff, mb);
302 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
303 if (lpfc_sli_issue_mbox(phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
304 == MBX_NOT_FINISHED) {
305 mempool_free( mb, phba->mbox_mem_pool);
306 }
307 }
308
309 /* Cleanup any outstanding RSCN activity */
310 lpfc_els_flush_rscn(phba);
311
312 /* Cleanup any outstanding ELS commands */
313 lpfc_els_flush_cmd(phba);
314
315 /* Issue a LINK DOWN event to all nodes */
316 node_list[0] = &phba->fc_npr_list; /* MUST do this list first */
317 node_list[1] = &phba->fc_nlpmap_list;
318 node_list[2] = &phba->fc_nlpunmap_list;
319 node_list[3] = &phba->fc_prli_list;
320 node_list[4] = &phba->fc_reglogin_list;
321 node_list[5] = &phba->fc_adisc_list;
322 node_list[6] = &phba->fc_plogi_list;
323 for (i = 0; i < 7; i++) {
324 listp = node_list[i];
325 if (list_empty(listp))
326 continue;
327
328 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
c9f8735b
JW		 329
330 rc = lpfc_disc_state_machine(phba, ndlp, NULL,
331 NLP_EVT_DEVICE_RECOVERY);
332
333 /* Check config parameter use-adisc or FCP-2 */
334 if ((rc != NLP_STE_FREED_NODE) &&
335 (phba->cfg_use_adisc == 0) &&
336 !(ndlp->nlp_fcp_info &
337 NLP_FCP_2_DEVICE)) {
338 /* We know we will have to relogin, so
339 * unreglogin the rpi right now to fail
340 * any outstanding I/Os quickly.
341 */
342 lpfc_unreg_rpi(phba, ndlp);
dea3101e
JB		 343 }
344 }
345 }
346
347 /* free any ndlp's on unused list */
348 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
349 nlp_listp) {
350 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
351 }
352
353 /* Setup myDID for link up if we are in pt2pt mode */
354 if (phba->fc_flag & FC_PT2PT) {
355 phba->fc_myDID = 0;
356 if ((mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
357 lpfc_config_link(phba, mb);
358 mb->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
359 if (lpfc_sli_issue_mbox
360 (phba, mb, (MBX_NOWAIT | MBX_STOP_IOCB))
361 == MBX_NOT_FINISHED) {
362 mempool_free( mb, phba->mbox_mem_pool);
363 }
364 }
365 spin_lock_irq(phba->host->host_lock);
366 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI);
367 spin_unlock_irq(phba->host->host_lock);
368 }
369 spin_lock_irq(phba->host->host_lock);
370 phba->fc_flag &= ~FC_LBIT;
371 spin_unlock_irq(phba->host->host_lock);
372
373 /* Turn off discovery timer if its running */
374 lpfc_can_disctmo(phba);
375
376 /* Must process IOCBs on all rings to handle ABORTed I/Os */
377 return (0);
378}
379
380static int
381lpfc_linkup(struct lpfc_hba * phba)
382{
383 struct lpfc_nodelist *ndlp, *next_ndlp;
c9f8735b
JW		 384 struct list_head *listp, *node_list[7];
385 int i;
dea3101e
JB		 386
387 spin_lock_irq(phba->host->host_lock);
388 phba->hba_state = LPFC_LINK_UP;
389 phba->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
390 FC_RSCN_MODE | FC_NLP_MORE | FC_RSCN_DISCOVERY);
391 phba->fc_flag |= FC_NDISC_ACTIVE;
392 phba->fc_ns_retry = 0;
393 spin_unlock_irq(phba->host->host_lock);
394
395
c9f8735b
JW		 396 node_list[0] = &phba->fc_plogi_list;
397 node_list[1] = &phba->fc_adisc_list;
398 node_list[2] = &phba->fc_reglogin_list;
399 node_list[3] = &phba->fc_prli_list;
400 node_list[4] = &phba->fc_nlpunmap_list;
401 node_list[5] = &phba->fc_nlpmap_list;
402 node_list[6] = &phba->fc_npr_list;
403 for (i = 0; i < 7; i++) {
404 listp = node_list[i];
405 if (list_empty(listp))
406 continue;
407
408 list_for_each_entry_safe(ndlp, next_ndlp, listp, nlp_listp) {
409 if (phba->fc_flag & FC_LBIT) {
410 if (ndlp->nlp_type & NLP_FABRIC) {
411 /* On Linkup its safe to clean up the
412 * ndlp from Fabric connections.
413 */
414 lpfc_nlp_list(phba, ndlp,
415 NLP_UNUSED_LIST);
416 } else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
417 /* Fail outstanding IO now since device
418 * is marked for PLOGI.
419 */
420 lpfc_unreg_rpi(phba, ndlp);
421 }
422 }
dea3101e
JB		 423 }
424 }
425
426 /* free any ndlp's on unused list */
427 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_unused_list,
428 nlp_listp) {
429 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
430 }
431
432 return 0;
433}
434
435/*
436 * This routine handles processing a CLEAR_LA mailbox
437 * command upon completion. It is setup in the LPFC_MBOXQ
438 * as the completion routine when the command is
439 * handed off to the SLI layer.
440 */
441void
442lpfc_mbx_cmpl_clear_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
443{
444 struct lpfc_sli *psli;
445 MAILBOX_t *mb;
446 uint32_t control;
447
448 psli = &phba->sli;
449 mb = &pmb->mb;
450 /* Since we don't do discovery right now, turn these off here */
451 psli->ring[psli->ip_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
452 psli->ring[psli->fcp_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
453 psli->ring[psli->next_ring].flag &= ~LPFC_STOP_IOCB_EVENT;
454
455 /* Check for error */
456 if ((mb->mbxStatus) && (mb->mbxStatus != 0x1601)) {
457 /* CLEAR_LA mbox error <mbxStatus> state <hba_state> */
458 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
459 "%d:0320 CLEAR_LA mbxStatus error x%x hba "
460 "state x%x\n",
461 phba->brd_no, mb->mbxStatus, phba->hba_state);
462
463 phba->hba_state = LPFC_HBA_ERROR;
464 goto out;
465 }
466
467 if (phba->fc_flag & FC_ABORT_DISCOVERY)
468 goto out;
469
470 phba->num_disc_nodes = 0;
471 /* go thru NPR list and issue ELS PLOGIs */
472 if (phba->fc_npr_cnt) {
473 lpfc_els_disc_plogi(phba);
474 }
475
476 if(!phba->num_disc_nodes) {
477 spin_lock_irq(phba->host->host_lock);
478 phba->fc_flag &= ~FC_NDISC_ACTIVE;
479 spin_unlock_irq(phba->host->host_lock);
480 }
481
482 phba->hba_state = LPFC_HBA_READY;
483
484out:
485 /* Device Discovery completes */
486 lpfc_printf_log(phba,
487 KERN_INFO,
488 LOG_DISCOVERY,
489 "%d:0225 Device Discovery completes\n",
490 phba->brd_no);
491
492 mempool_free( pmb, phba->mbox_mem_pool);
493
494 spin_lock_irq(phba->host->host_lock);
495 phba->fc_flag &= ~FC_ABORT_DISCOVERY;
496 if (phba->fc_flag & FC_ESTABLISH_LINK) {
497 phba->fc_flag &= ~FC_ESTABLISH_LINK;
498 }
499 spin_unlock_irq(phba->host->host_lock);
500
501 del_timer_sync(&phba->fc_estabtmo);
502
503 lpfc_can_disctmo(phba);
504
505 /* turn on Link Attention interrupts */
506 spin_lock_irq(phba->host->host_lock);
507 psli->sli_flag |= LPFC_PROCESS_LA;
508 control = readl(phba->HCregaddr);
509 control |= HC_LAINT_ENA;
510 writel(control, phba->HCregaddr);
511 readl(phba->HCregaddr); /* flush */
512 spin_unlock_irq(phba->host->host_lock);
513
514 return;
515}
516
517static void
518lpfc_mbx_cmpl_config_link(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
519{
520 struct lpfc_sli *psli;
521 MAILBOX_t *mb;
522
523 psli = &phba->sli;
524 mb = &pmb->mb;
525 /* Check for error */
526 if (mb->mbxStatus) {
527 /* CONFIG_LINK mbox error <mbxStatus> state <hba_state> */
528 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
529 "%d:0306 CONFIG_LINK mbxStatus error x%x "
530 "HBA state x%x\n",
531 phba->brd_no, mb->mbxStatus, phba->hba_state);
532
533 lpfc_linkdown(phba);
534 phba->hba_state = LPFC_HBA_ERROR;
535 goto out;
536 }
537
538 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
539 if (phba->fc_topology == TOPOLOGY_LOOP) {
540 /* If we are public loop and L bit was set */
541 if ((phba->fc_flag & FC_PUBLIC_LOOP) &&
542 !(phba->fc_flag & FC_LBIT)) {
543 /* Need to wait for FAN - use discovery timer
544 * for timeout. hba_state is identically
545 * LPFC_LOCAL_CFG_LINK while waiting for FAN
546 */
547 lpfc_set_disctmo(phba);
548 mempool_free( pmb, phba->mbox_mem_pool);
549 return;
550 }
551 }
552
553 /* Start discovery by sending a FLOGI hba_state is identically
554 * LPFC_FLOGI while waiting for FLOGI cmpl
555 */
556 phba->hba_state = LPFC_FLOGI;
557 lpfc_set_disctmo(phba);
558 lpfc_initial_flogi(phba);
559 mempool_free( pmb, phba->mbox_mem_pool);
560 return;
561 }
562 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
563 mempool_free( pmb, phba->mbox_mem_pool);
564 return;
565 }
566
567out:
568 /* CONFIG_LINK bad hba state <hba_state> */
569 lpfc_printf_log(phba,
570 KERN_ERR,
571 LOG_DISCOVERY,
572 "%d:0200 CONFIG_LINK bad hba state x%x\n",
573 phba->brd_no, phba->hba_state);
574
575 if (phba->hba_state != LPFC_CLEAR_LA) {
576 lpfc_clear_la(phba, pmb);
577 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
578 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
579 == MBX_NOT_FINISHED) {
580 mempool_free( pmb, phba->mbox_mem_pool);
581 lpfc_disc_flush_list(phba);
582 psli->ring[(psli->ip_ring)].flag &=
583 ~LPFC_STOP_IOCB_EVENT;
584 psli->ring[(psli->fcp_ring)].flag &=
585 ~LPFC_STOP_IOCB_EVENT;
586 psli->ring[(psli->next_ring)].flag &=
587 ~LPFC_STOP_IOCB_EVENT;
588 phba->hba_state = LPFC_HBA_READY;
589 }
590 } else {
591 mempool_free( pmb, phba->mbox_mem_pool);
592 }
593 return;
594}
595
596static void
597lpfc_mbx_cmpl_read_sparam(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
598{
599 struct lpfc_sli *psli = &phba->sli;
600 MAILBOX_t *mb = &pmb->mb;
601 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) pmb->context1;
602
603
604 /* Check for error */
605 if (mb->mbxStatus) {
606 /* READ_SPARAM mbox error <mbxStatus> state <hba_state> */
607 lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
608 "%d:0319 READ_SPARAM mbxStatus error x%x "
609 "hba state x%x>\n",
610 phba->brd_no, mb->mbxStatus, phba->hba_state);
611
612 lpfc_linkdown(phba);
613 phba->hba_state = LPFC_HBA_ERROR;
614 goto out;
615 }
616
617 memcpy((uint8_t *) & phba->fc_sparam, (uint8_t *) mp->virt,
618 sizeof (struct serv_parm));
619 memcpy((uint8_t *) & phba->fc_nodename,
620 (uint8_t *) & phba->fc_sparam.nodeName,
621 sizeof (struct lpfc_name));
622 memcpy((uint8_t *) & phba->fc_portname,
623 (uint8_t *) & phba->fc_sparam.portName,
624 sizeof (struct lpfc_name));
625 lpfc_mbuf_free(phba, mp->virt, mp->phys);
626 kfree(mp);
627 mempool_free( pmb, phba->mbox_mem_pool);
628 return;
629
630out:
631 pmb->context1 = NULL;
632 lpfc_mbuf_free(phba, mp->virt, mp->phys);
633 kfree(mp);
634 if (phba->hba_state != LPFC_CLEAR_LA) {
635 lpfc_clear_la(phba, pmb);
636 pmb->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
637 if (lpfc_sli_issue_mbox(phba, pmb, (MBX_NOWAIT | MBX_STOP_IOCB))
638 == MBX_NOT_FINISHED) {
639 mempool_free( pmb, phba->mbox_mem_pool);
640 lpfc_disc_flush_list(phba);
641 psli->ring[(psli->ip_ring)].flag &=
642 ~LPFC_STOP_IOCB_EVENT;
643 psli->ring[(psli->fcp_ring)].flag &=
644 ~LPFC_STOP_IOCB_EVENT;
645 psli->ring[(psli->next_ring)].flag &=
646 ~LPFC_STOP_IOCB_EVENT;
647 phba->hba_state = LPFC_HBA_READY;
648 }
649 } else {
650 mempool_free( pmb, phba->mbox_mem_pool);
651 }
652 return;
653}
654
655static void
656lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
657{
658 int i;
659 LPFC_MBOXQ_t *sparam_mbox, *cfglink_mbox;
660 sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
661 cfglink_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
662
663 spin_lock_irq(phba->host->host_lock);
664 switch(la->UlnkSpeed) {
665 case LA_1GHZ_LINK:
666 phba->fc_linkspeed = LA_1GHZ_LINK;
667 break;
668 case LA_2GHZ_LINK:
669 phba->fc_linkspeed = LA_2GHZ_LINK;
670 break;
671 case LA_4GHZ_LINK:
672 phba->fc_linkspeed = LA_4GHZ_LINK;
673 break;
674 default:
675 phba->fc_linkspeed = LA_UNKNW_LINK;
676 break;
677 }
678
679 phba->fc_topology = la->topology;
680
681 if (phba->fc_topology == TOPOLOGY_LOOP) {
682 /* Get Loop Map information */
683
684 if (la->il)
685 phba->fc_flag |= FC_LBIT;
686
687 phba->fc_myDID = la->granted_AL_PA;
688 i = la->un.lilpBde64.tus.f.bdeSize;
689
690 if (i == 0) {
691 phba->alpa_map[0] = 0;
692 } else {
693 if (phba->cfg_log_verbose & LOG_LINK_EVENT) {
694 int numalpa, j, k;
695 union {
696 uint8_t pamap[16];
697 struct {
698 uint32_t wd1;
699 uint32_t wd2;
700 uint32_t wd3;
701 uint32_t wd4;
702 } pa;
703 } un;
704 numalpa = phba->alpa_map[0];
705 j = 0;
706 while (j < numalpa) {
707 memset(un.pamap, 0, 16);
708 for (k = 1; j < numalpa; k++) {
709 un.pamap[k - 1] =
710 phba->alpa_map[j + 1];
711 j++;
712 if (k == 16)
713 break;
714 }
715 /* Link Up Event ALPA map */
716 lpfc_printf_log(phba,
717 KERN_WARNING,
718 LOG_LINK_EVENT,
719 "%d:1304 Link Up Event "
720 "ALPA map Data: x%x "
721 "x%x x%x x%x\n",
722 phba->brd_no,
723 un.pa.wd1, un.pa.wd2,
724 un.pa.wd3, un.pa.wd4);
725 }
726 }
727 }
728 } else {
729 phba->fc_myDID = phba->fc_pref_DID;
730 phba->fc_flag |= FC_LBIT;
731 }
732 spin_unlock_irq(phba->host->host_lock);
733
734 lpfc_linkup(phba);
735 if (sparam_mbox) {
736 lpfc_read_sparam(phba, sparam_mbox);
737 sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
738 lpfc_sli_issue_mbox(phba, sparam_mbox,
739 (MBX_NOWAIT | MBX_STOP_IOCB));
740 }
741
742 if (cfglink_mbox) {
743 phba->hba_state = LPFC_LOCAL_CFG_LINK;
744 lpfc_config_link(phba, cfglink_mbox);
745 cfglink_mbox->mbox_cmpl = lpfc_mbx_cmpl_config_link;
746 lpfc_sli_issue_mbox(phba, cfglink_mbox,
747 (MBX_NOWAIT | MBX_STOP_IOCB));
748 }
749}
750
751static void
752lpfc_mbx_issue_link_down(struct lpfc_hba *phba) {
753 uint32_t control;
754 struct lpfc_sli *psli = &phba->sli;
755
756 lpfc_linkdown(phba);
757
758 /* turn on Link Attention interrupts - no CLEAR_LA needed */
759 spin_lock_irq(phba->host->host_lock);
760 psli->sli_flag |= LPFC_PROCESS_LA;
761 control = readl(phba->HCregaddr);
762 control |= HC_LAINT_ENA;
763 writel(control, phba->HCregaddr);
764 readl(phba->HCregaddr); /* flush */
765 spin_unlock_irq(phba->host->host_lock);
766}
767
768/*
769 * This routine handles processing a READ_LA mailbox
770 * command upon completion. It is setup in the LPFC_MBOXQ
771 * as the completion routine when the command is
772 * handed off to the SLI layer.
773 */
774void
775lpfc_mbx_cmpl_read_la(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
776{
777 READ_LA_VAR *la;
778 MAILBOX_t *mb = &pmb->mb;
779 struct lpfc_dmabuf *mp = (struct lpfc_dmabuf *) (pmb->context1);
780
781 /* Check for error */
782 if (mb->mbxStatus) {
783 lpfc_printf_log(phba,
784 KERN_INFO,
785 LOG_LINK_EVENT,
786 "%d:1307 READ_LA mbox error x%x state x%x\n",
787 phba->brd_no,
788 mb->mbxStatus, phba->hba_state);
789 lpfc_mbx_issue_link_down(phba);
790 phba->hba_state = LPFC_HBA_ERROR;
791 goto lpfc_mbx_cmpl_read_la_free_mbuf;
792 }
793
794 la = (READ_LA_VAR *) & pmb->mb.un.varReadLA;
795
796 memcpy(&phba->alpa_map[0], mp->virt, 128);
797
c9f8735b
JW		 798 spin_lock_irq(phba->host->host_lock);
799 if (la->pb)
800 phba->fc_flag |= FC_BYPASSED_MODE;
801 else
802 phba->fc_flag &= ~FC_BYPASSED_MODE;
803 spin_unlock_irq(phba->host->host_lock);
804
dea3101e
JB		 805 if (((phba->fc_eventTag + 1) < la->eventTag) ||
806 (phba->fc_eventTag == la->eventTag)) {
807 phba->fc_stat.LinkMultiEvent++;
808 if (la->attType == AT_LINK_UP) {
809 if (phba->fc_eventTag != 0)
810 lpfc_linkdown(phba);
811 }
812 }
813
814 phba->fc_eventTag = la->eventTag;
815
816 if (la->attType == AT_LINK_UP) {
817 phba->fc_stat.LinkUp++;
818 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
819 "%d:1303 Link Up Event x%x received "
820 "Data: x%x x%x x%x x%x\n",
821 phba->brd_no, la->eventTag, phba->fc_eventTag,
822 la->granted_AL_PA, la->UlnkSpeed,
823 phba->alpa_map[0]);
824 lpfc_mbx_process_link_up(phba, la);
825 } else {
826 phba->fc_stat.LinkDown++;
827 lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
828 "%d:1305 Link Down Event x%x received "
829 "Data: x%x x%x x%x\n",
830 phba->brd_no, la->eventTag, phba->fc_eventTag,
831 phba->hba_state, phba->fc_flag);
832 lpfc_mbx_issue_link_down(phba);
833 }
834
835lpfc_mbx_cmpl_read_la_free_mbuf:
836 lpfc_mbuf_free(phba, mp->virt, mp->phys);
837 kfree(mp);
838 mempool_free(pmb, phba->mbox_mem_pool);
839 return;
840}
841
842/*
843 * This routine handles processing a REG_LOGIN mailbox
844 * command upon completion. It is setup in the LPFC_MBOXQ
845 * as the completion routine when the command is
846 * handed off to the SLI layer.
847 */
848void
849lpfc_mbx_cmpl_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
850{
851 struct lpfc_sli *psli;
852 MAILBOX_t *mb;
853 struct lpfc_dmabuf *mp;
854 struct lpfc_nodelist *ndlp;
855
856 psli = &phba->sli;
857 mb = &pmb->mb;
858
859 ndlp = (struct lpfc_nodelist *) pmb->context2;
860 mp = (struct lpfc_dmabuf *) (pmb->context1);
861
862 pmb->context1 = NULL;
863
864 /* Good status, call state machine */
865 lpfc_disc_state_machine(phba, ndlp, pmb, NLP_EVT_CMPL_REG_LOGIN);
866 lpfc_mbuf_free(phba, mp->virt, mp->phys);
867 kfree(mp);
868 mempool_free( pmb, phba->mbox_mem_pool);
869
870 return;
871}
872
873/*
874 * This routine handles processing a Fabric REG_LOGIN mailbox
875 * command upon completion. It is setup in the LPFC_MBOXQ
876 * as the completion routine when the command is
877 * handed off to the SLI layer.
878 */
879void
880lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
881{
882 struct lpfc_sli *psli;
883 MAILBOX_t *mb;
884 struct lpfc_dmabuf *mp;
885 struct lpfc_nodelist *ndlp;
886 struct lpfc_nodelist *ndlp_fdmi;
887
888
889 psli = &phba->sli;
890 mb = &pmb->mb;
891
892 ndlp = (struct lpfc_nodelist *) pmb->context2;
893 mp = (struct lpfc_dmabuf *) (pmb->context1);
894
895 if (mb->mbxStatus) {
896 lpfc_mbuf_free(phba, mp->virt, mp->phys);
897 kfree(mp);
898 mempool_free( pmb, phba->mbox_mem_pool);
899 mempool_free( ndlp, phba->nlp_mem_pool);
900
901 /* FLOGI failed, so just use loop map to make discovery list */
902 lpfc_disc_list_loopmap(phba);
903
904 /* Start discovery */
905 lpfc_disc_start(phba);
906 return;
907 }
908
909 pmb->context1 = NULL;
910
dea3101e 911 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e
JB		 912 ndlp->nlp_type |= NLP_FABRIC;
913 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
914 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
915
916 if (phba->hba_state == LPFC_FABRIC_CFG_LINK) {
917 /* This NPort has been assigned an NPort_ID by the fabric as a
918 * result of the completed fabric login. Issue a State Change
919 * Registration (SCR) ELS request to the fabric controller
920 * (SCR_DID) so that this NPort gets RSCN events from the
921 * fabric.
922 */
923 lpfc_issue_els_scr(phba, SCR_DID, 0);
924
c9f8735b
JW		 925 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
926 if (!ndlp) {
927 /* Allocate a new node instance. If the pool is empty,
928 * start the discovery process and skip the Nameserver
929 * login process. This is attempted again later on.
930 * Otherwise, issue a Port Login (PLOGI) to NameServer.
931 */
932 ndlp = mempool_alloc(phba->nlp_mem_pool, GFP_ATOMIC);
933 if (!ndlp) {
934 lpfc_disc_start(phba);
935 lpfc_mbuf_free(phba, mp->virt, mp->phys);
936 kfree(mp);
937 mempool_free( pmb, phba->mbox_mem_pool);
938 return;
939 } else {
940 lpfc_nlp_init(phba, ndlp, NameServer_DID);
941 ndlp->nlp_type |= NLP_FABRIC;
942 }
943 }
944 ndlp->nlp_state = NLP_STE_PLOGI_ISSUE;
945 lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST);
946 lpfc_issue_els_plogi(phba, ndlp, 0);
947 if (phba->cfg_fdmi_on) {
948 ndlp_fdmi = mempool_alloc(phba->nlp_mem_pool,
949 GFP_KERNEL);
950 if (ndlp_fdmi) {
951 lpfc_nlp_init(phba, ndlp_fdmi, FDMI_DID);
952 ndlp_fdmi->nlp_type |= NLP_FABRIC;
953 ndlp_fdmi->nlp_state = NLP_STE_PLOGI_ISSUE;
954 lpfc_issue_els_plogi(phba, ndlp_fdmi, 0);
dea3101e
JB		 955 }
956 }
957 }
958
959 lpfc_mbuf_free(phba, mp->virt, mp->phys);
960 kfree(mp);
961 mempool_free( pmb, phba->mbox_mem_pool);
dea3101e
JB		 962 return;
963}
964
965/*
966 * This routine handles processing a NameServer REG_LOGIN mailbox
967 * command upon completion. It is setup in the LPFC_MBOXQ
968 * as the completion routine when the command is
969 * handed off to the SLI layer.
970 */
971void
972lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
973{
974 struct lpfc_sli *psli;
975 MAILBOX_t *mb;
976 struct lpfc_dmabuf *mp;
977 struct lpfc_nodelist *ndlp;
978
979 psli = &phba->sli;
980 mb = &pmb->mb;
981
982 ndlp = (struct lpfc_nodelist *) pmb->context2;
983 mp = (struct lpfc_dmabuf *) (pmb->context1);
984
985 if (mb->mbxStatus) {
986 lpfc_mbuf_free(phba, mp->virt, mp->phys);
987 kfree(mp);
988 mempool_free( pmb, phba->mbox_mem_pool);
989 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
990
991 /* RegLogin failed, so just use loop map to make discovery
992 list */
993 lpfc_disc_list_loopmap(phba);
994
995 /* Start discovery */
996 lpfc_disc_start(phba);
997 return;
998 }
999
1000 pmb->context1 = NULL;
1001
dea3101e 1002 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e
JB		 1003 ndlp->nlp_type |= NLP_FABRIC;
1004 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1005 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
1006
1007 if (phba->hba_state < LPFC_HBA_READY) {
1008 /* Link up discovery requires Fabrib registration. */
1009 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RNN_ID);
1010 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RSNN_NN);
1011 lpfc_ns_cmd(phba, ndlp, SLI_CTNS_RFT_ID);
1012 }
1013
1014 phba->fc_ns_retry = 0;
1015 /* Good status, issue CT Request to NameServer */
1016 if (lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT)) {
1017 /* Cannot issue NameServer Query, so finish up discovery */
1018 lpfc_disc_start(phba);
1019 }
1020
1021 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1022 kfree(mp);
1023 mempool_free( pmb, phba->mbox_mem_pool);
1024
1025 return;
1026}
1027
1028static void
1029lpfc_register_remote_port(struct lpfc_hba * phba,
1030 struct lpfc_nodelist * ndlp)
1031{
1032 struct fc_rport *rport;
1033 struct lpfc_rport_data *rdata;
1034 struct fc_rport_identifiers rport_ids;
dea3101e
JB		 1035
1036 /* Remote port has reappeared. Re-register w/ FC transport */
68ce1eb5
AM		 1037 rport_ids.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
1038 rport_ids.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
dea3101e
JB		 1039 rport_ids.port_id = ndlp->nlp_DID;
1040 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
dea3101e
JB		 1041
1042 ndlp->rport = rport = fc_remote_port_add(phba->host, 0, &rport_ids);
1043 if (!rport) {
1044 dev_printk(KERN_WARNING, &phba->pcidev->dev,
1045 "Warning: fc_remote_port_add failed\n");
1046 return;
1047 }
1048
1049 /* initialize static port data */
1050 rport->maxframe_size = ndlp->nlp_maxframe;
1051 rport->supported_classes = ndlp->nlp_class_sup;
1052 if ((rport->scsi_target_id != -1) &&
1053 (rport->scsi_target_id < MAX_FCP_TARGET)) {
1054 ndlp->nlp_sid = rport->scsi_target_id;
1055 }
1056 rdata = rport->dd_data;
1057 rdata->pnode = ndlp;
23dc04f1
JSEC		 1058
1059 if (ndlp->nlp_type & NLP_FCP_TARGET)
1060 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
1061 if (ndlp->nlp_type & NLP_FCP_INITIATOR)
1062 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
1063
1064
1065 if (rport_ids.roles != FC_RPORT_ROLE_UNKNOWN)
1066 fc_remote_port_rolechg(rport, rport_ids.roles);
1067
19a7b4ae
JSEC		 1068
1069 return;
1070}
1071
1072static void
1073lpfc_unregister_remote_port(struct lpfc_hba * phba,
1074 struct lpfc_nodelist * ndlp)
1075{
1076 struct fc_rport *rport = ndlp->rport;
1077 struct lpfc_rport_data *rdata = rport->dd_data;
1078
1079 ndlp->rport = NULL;
1080 rdata->pnode = NULL;
19a7b4ae 1081 fc_remote_port_delete(rport);
dea3101e
JB		 1082
1083 return;
1084}
1085
1086int
1087lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
1088{
1089 enum { none, unmapped, mapped } rport_add = none, rport_del = none;
1090 struct lpfc_sli *psli;
1091
1092 psli = &phba->sli;
1093 /* Sanity check to ensure we are not moving to / from the same list */
1094 if ((nlp->nlp_flag & NLP_LIST_MASK) == list) {
1095 if (list != NLP_NO_LIST)
1096 return(0);
1097 }
1098
1099 switch(nlp->nlp_flag & NLP_LIST_MASK) {
1100 case NLP_NO_LIST: /* Not on any list */
1101 break;
1102 case NLP_UNUSED_LIST:
1103 phba->fc_unused_cnt--;
1104 list_del(&nlp->nlp_listp);
1105 break;
1106 case NLP_PLOGI_LIST:
1107 phba->fc_plogi_cnt--;
1108 list_del(&nlp->nlp_listp);
1109 break;
1110 case NLP_ADISC_LIST:
1111 phba->fc_adisc_cnt--;
1112 list_del(&nlp->nlp_listp);
1113 break;
1114 case NLP_REGLOGIN_LIST:
1115 phba->fc_reglogin_cnt--;
1116 list_del(&nlp->nlp_listp);
1117 break;
1118 case NLP_PRLI_LIST:
1119 phba->fc_prli_cnt--;
1120 list_del(&nlp->nlp_listp);
1121 break;
1122 case NLP_UNMAPPED_LIST:
1123 phba->fc_unmap_cnt--;
1124 list_del(&nlp->nlp_listp);
1125 spin_lock_irq(phba->host->host_lock);
1126 nlp->nlp_flag &= ~NLP_TGT_NO_SCSIID;
1127 nlp->nlp_type &= ~NLP_FC_NODE;
1128 spin_unlock_irq(phba->host->host_lock);
1129 phba->nport_event_cnt++;
1130 if (nlp->rport)
1131 rport_del = unmapped;
1132 break;
1133 case NLP_MAPPED_LIST:
1134 phba->fc_map_cnt--;
1135 list_del(&nlp->nlp_listp);
1136 phba->nport_event_cnt++;
1137 if (nlp->rport)
1138 rport_del = mapped;
1139 break;
1140 case NLP_NPR_LIST:
1141 phba->fc_npr_cnt--;
1142 list_del(&nlp->nlp_listp);
1143 /* Stop delay tmo if taking node off NPR list */
1144 if ((nlp->nlp_flag & NLP_DELAY_TMO) &&
1145 (list != NLP_NPR_LIST)) {
1146 spin_lock_irq(phba->host->host_lock);
1147 nlp->nlp_flag &= ~NLP_DELAY_TMO;
1148 spin_unlock_irq(phba->host->host_lock);
1149 del_timer_sync(&nlp->nlp_delayfunc);
1150 if (!list_empty(&nlp->els_retry_evt.evt_listp))
1151 list_del_init(&nlp->els_retry_evt.evt_listp);
1152 }
1153 break;
1154 }
1155
1156 spin_lock_irq(phba->host->host_lock);
1157 nlp->nlp_flag &= ~NLP_LIST_MASK;
1158 spin_unlock_irq(phba->host->host_lock);
1159
1160 /* Add NPort <did> to <num> list */
1161 lpfc_printf_log(phba,
1162 KERN_INFO,
1163 LOG_NODE,
1164 "%d:0904 Add NPort x%x to %d list Data: x%x\n",
1165 phba->brd_no,
1166 nlp->nlp_DID, list, nlp->nlp_flag);
1167
1168 switch(list) {
1169 case NLP_NO_LIST: /* No list, just remove it */
1170 lpfc_nlp_remove(phba, nlp);
8cbdc5ff
JSEC		 1171 /* as node removed - stop further transport calls */
1172 rport_del = none;
dea3101e
JB		 1173 break;
1174 case NLP_UNUSED_LIST:
1175 spin_lock_irq(phba->host->host_lock);
1176 nlp->nlp_flag |= list;
1177 spin_unlock_irq(phba->host->host_lock);
1178 /* Put it at the end of the unused list */
1179 list_add_tail(&nlp->nlp_listp, &phba->fc_unused_list);
1180 phba->fc_unused_cnt++;
1181 break;
1182 case NLP_PLOGI_LIST:
1183 spin_lock_irq(phba->host->host_lock);
1184 nlp->nlp_flag |= list;
1185 spin_unlock_irq(phba->host->host_lock);
1186 /* Put it at the end of the plogi list */
1187 list_add_tail(&nlp->nlp_listp, &phba->fc_plogi_list);
1188 phba->fc_plogi_cnt++;
1189 break;
1190 case NLP_ADISC_LIST:
1191 spin_lock_irq(phba->host->host_lock);
1192 nlp->nlp_flag |= list;
1193 spin_unlock_irq(phba->host->host_lock);
1194 /* Put it at the end of the adisc list */
1195 list_add_tail(&nlp->nlp_listp, &phba->fc_adisc_list);
1196 phba->fc_adisc_cnt++;
1197 break;
1198 case NLP_REGLOGIN_LIST:
1199 spin_lock_irq(phba->host->host_lock);
1200 nlp->nlp_flag |= list;
1201 spin_unlock_irq(phba->host->host_lock);
1202 /* Put it at the end of the reglogin list */
1203 list_add_tail(&nlp->nlp_listp, &phba->fc_reglogin_list);
1204 phba->fc_reglogin_cnt++;
1205 break;
1206 case NLP_PRLI_LIST:
1207 spin_lock_irq(phba->host->host_lock);
1208 nlp->nlp_flag |= list;
1209 spin_unlock_irq(phba->host->host_lock);
1210 /* Put it at the end of the prli list */
1211 list_add_tail(&nlp->nlp_listp, &phba->fc_prli_list);
1212 phba->fc_prli_cnt++;
1213 break;
1214 case NLP_UNMAPPED_LIST:
1215 rport_add = unmapped;
1216 /* ensure all vestiges of "mapped" significance are gone */
1217 nlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
1218 spin_lock_irq(phba->host->host_lock);
1219 nlp->nlp_flag |= list;
1220 spin_unlock_irq(phba->host->host_lock);
1221 /* Put it at the end of the unmap list */
1222 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpunmap_list);
1223 phba->fc_unmap_cnt++;
1224 phba->nport_event_cnt++;
1225 /* stop nodev tmo if running */
1226 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1227 spin_lock_irq(phba->host->host_lock);
1228 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1229 spin_unlock_irq(phba->host->host_lock);
1230 del_timer_sync(&nlp->nlp_tmofunc);
1231 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1232 list_del_init(&nlp->nodev_timeout_evt.
1233 evt_listp);
1234
1235 }
1236 nlp->nlp_type |= NLP_FC_NODE;
1237 break;
1238 case NLP_MAPPED_LIST:
1239 rport_add = mapped;
1240 spin_lock_irq(phba->host->host_lock);
1241 nlp->nlp_flag |= list;
1242 spin_unlock_irq(phba->host->host_lock);
1243 /* Put it at the end of the map list */
1244 list_add_tail(&nlp->nlp_listp, &phba->fc_nlpmap_list);
1245 phba->fc_map_cnt++;
1246 phba->nport_event_cnt++;
1247 /* stop nodev tmo if running */
1248 if (nlp->nlp_flag & NLP_NODEV_TMO) {
1249 nlp->nlp_flag &= ~NLP_NODEV_TMO;
1250 del_timer_sync(&nlp->nlp_tmofunc);
1251 if (!list_empty(&nlp->nodev_timeout_evt.evt_listp))
1252 list_del_init(&nlp->nodev_timeout_evt.
1253 evt_listp);
1254
1255 }
1256 break;
1257 case NLP_NPR_LIST:
1258 spin_lock_irq(phba->host->host_lock);
1259 nlp->nlp_flag |= list;
1260 spin_unlock_irq(phba->host->host_lock);
1261 /* Put it at the end of the npr list */
1262 list_add_tail(&nlp->nlp_listp, &phba->fc_npr_list);
1263 phba->fc_npr_cnt++;
1264
c9f8735b 1265 if (!(nlp->nlp_flag & NLP_NODEV_TMO)) {
dea3101e 1266 mod_timer(&nlp->nlp_tmofunc,
c9f8735b 1267 jiffies + HZ * phba->cfg_nodev_tmo);
dea3101e
JB		 1268 }
1269 spin_lock_irq(phba->host->host_lock);
1270 nlp->nlp_flag |= NLP_NODEV_TMO;
1271 nlp->nlp_flag &= ~NLP_RCV_PLOGI;
1272 spin_unlock_irq(phba->host->host_lock);
1273 break;
1274 case NLP_JUST_DQ:
1275 break;
1276 }
1277
1278 /*
1279 * We make all the calls into the transport after we have
1280 * moved the node between lists. This so that we don't
1281 * release the lock while in-between lists.
1282 */
1283
1284 /* Don't upcall midlayer if we're unloading */
1285 if (!(phba->fc_flag & FC_UNLOADING)) {
1286 /*
1287 * We revalidate the rport pointer as the "add" function
1288 * may have removed the remote port.
1289 */
1290 if ((rport_del != none) && nlp->rport)
19a7b4ae 1291 lpfc_unregister_remote_port(phba, nlp);
dea3101e
JB		 1292
1293 if (rport_add != none) {
1294 /*
1295 * Tell the fc transport about the port, if we haven't
1296 * already. If we have, and it's a scsi entity, be
1297 * sure to unblock any attached scsi devices
1298 */
1299 if (!nlp->rport)
1300 lpfc_register_remote_port(phba, nlp);
dea3101e
JB		 1301
1302 /*
1303 * if we added to Mapped list, but the remote port
1304 * registration failed or assigned a target id outside
1305 * our presentable range - move the node to the
1306 * Unmapped List
1307 */
1308 if ((rport_add == mapped) &&
1309 ((!nlp->rport) ||
1310 (nlp->rport->scsi_target_id == -1) ||
1311 (nlp->rport->scsi_target_id >= MAX_FCP_TARGET))) {
1312 nlp->nlp_state = NLP_STE_UNMAPPED_NODE;
1313 spin_lock_irq(phba->host->host_lock);
1314 nlp->nlp_flag |= NLP_TGT_NO_SCSIID;
1315 spin_unlock_irq(phba->host->host_lock);
1316 lpfc_nlp_list(phba, nlp, NLP_UNMAPPED_LIST);
1317 }
1318 }
1319 }
1320 return (0);
1321}
1322
1323/*
1324 * Start / ReStart rescue timer for Discovery / RSCN handling
1325 */
1326void
1327lpfc_set_disctmo(struct lpfc_hba * phba)
1328{
1329 uint32_t tmo;
1330
c9f8735b
JW		 1331 if (phba->hba_state == LPFC_LOCAL_CFG_LINK) {
1332 /* For FAN, timeout should be greater then edtov */
1333 tmo = (((phba->fc_edtov + 999) / 1000) + 1);
1334 } else {
1335 /* Normal discovery timeout should be > then ELS/CT timeout
1336 * FC spec states we need 3 * ratov for CT requests
1337 */
1338 tmo = ((phba->fc_ratov * 3) + 3);
1339 }
dea3101e
JB		 1340
1341 mod_timer(&phba->fc_disctmo, jiffies + HZ * tmo);
1342 spin_lock_irq(phba->host->host_lock);
1343 phba->fc_flag |= FC_DISC_TMO;
1344 spin_unlock_irq(phba->host->host_lock);
1345
1346 /* Start Discovery Timer state <hba_state> */
1347 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1348 "%d:0247 Start Discovery Timer state x%x "
1349 "Data: x%x x%lx x%x x%x\n",
1350 phba->brd_no,
1351 phba->hba_state, tmo, (unsigned long)&phba->fc_disctmo,
1352 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1353
1354 return;
1355}
1356
1357/*
1358 * Cancel rescue timer for Discovery / RSCN handling
1359 */
1360int
1361lpfc_can_disctmo(struct lpfc_hba * phba)
1362{
1363 /* Turn off discovery timer if its running */
1364 if (phba->fc_flag & FC_DISC_TMO) {
1365 spin_lock_irq(phba->host->host_lock);
1366 phba->fc_flag &= ~FC_DISC_TMO;
1367 spin_unlock_irq(phba->host->host_lock);
1368 del_timer_sync(&phba->fc_disctmo);
1369 phba->work_hba_events &= ~WORKER_DISC_TMO;
1370 }
1371
1372 /* Cancel Discovery Timer state <hba_state> */
1373 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
1374 "%d:0248 Cancel Discovery Timer state x%x "
1375 "Data: x%x x%x x%x\n",
1376 phba->brd_no, phba->hba_state, phba->fc_flag,
1377 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
1378
1379 return (0);
1380}
1381
1382/*
1383 * Check specified ring for outstanding IOCB on the SLI queue
1384 * Return true if iocb matches the specified nport
1385 */
1386int
1387lpfc_check_sli_ndlp(struct lpfc_hba * phba,
1388 struct lpfc_sli_ring * pring,
1389 struct lpfc_iocbq * iocb, struct lpfc_nodelist * ndlp)
1390{
1391 struct lpfc_sli *psli;
1392 IOCB_t *icmd;
1393
1394 psli = &phba->sli;
1395 icmd = &iocb->iocb;
1396 if (pring->ringno == LPFC_ELS_RING) {
1397 switch (icmd->ulpCommand) {
1398 case CMD_GEN_REQUEST64_CR:
1399 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi)
1400 return (1);
1401 case CMD_ELS_REQUEST64_CR:
1402 case CMD_XMIT_ELS_RSP64_CX:
1403 if (iocb->context1 == (uint8_t *) ndlp)
1404 return (1);
1405 }
1406 } else if (pring->ringno == psli->ip_ring) {
1407
1408 } else if (pring->ringno == psli->fcp_ring) {
1409 /* Skip match check if waiting to relogin to FCP target */
1410 if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
1411 (ndlp->nlp_flag & NLP_DELAY_TMO)) {
1412 return (0);
1413 }
1414 if (icmd->ulpContext == (volatile ushort)ndlp->nlp_rpi) {
1415 return (1);
1416 }
1417 } else if (pring->ringno == psli->next_ring) {
1418
1419 }
1420 return (0);
1421}
1422
1423/*
1424 * Free resources / clean up outstanding I/Os
1425 * associated with nlp_rpi in the LPFC_NODELIST entry.
1426 */
1427static int
1428lpfc_no_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1429{
1430 struct lpfc_sli *psli;
1431 struct lpfc_sli_ring *pring;
1432 struct lpfc_iocbq *iocb, *next_iocb;
1433 IOCB_t *icmd;
1434 uint32_t rpi, i;
1435
1436 /*
1437 * Everything that matches on txcmplq will be returned
1438 * by firmware with a no rpi error.
1439 */
1440 psli = &phba->sli;
1441 rpi = ndlp->nlp_rpi;
1442 if (rpi) {
1443 /* Now process each ring */
1444 for (i = 0; i < psli->num_rings; i++) {
1445 pring = &psli->ring[i];
1446
1447 spin_lock_irq(phba->host->host_lock);
1448 list_for_each_entry_safe(iocb, next_iocb, &pring->txq,
1449 list) {
1450 /*
1451 * Check to see if iocb matches the nport we are
1452 * looking for
1453 */
1454 if ((lpfc_check_sli_ndlp
1455 (phba, pring, iocb, ndlp))) {
1456 /* It matches, so deque and call compl
1457 with an error */
1458 list_del(&iocb->list);
1459 pring->txq_cnt--;
1460 if (iocb->iocb_cmpl) {
1461 icmd = &iocb->iocb;
1462 icmd->ulpStatus =
1463 IOSTAT_LOCAL_REJECT;
1464 icmd->un.ulpWord[4] =
1465 IOERR_SLI_ABORTED;
1466 spin_unlock_irq(phba->host->
1467 host_lock);
1468 (iocb->iocb_cmpl) (phba,
1469 iocb, iocb);
1470 spin_lock_irq(phba->host->
1471 host_lock);
604a3e30
JB		 1472 } else
1473 lpfc_sli_release_iocbq(phba,
1474 iocb);
dea3101e
JB		 1475 }
1476 }
1477 spin_unlock_irq(phba->host->host_lock);
1478
1479 }
1480 }
1481 return (0);
1482}
1483
1484/*
1485 * Free rpi associated with LPFC_NODELIST entry.
1486 * This routine is called from lpfc_freenode(), when we are removing
1487 * a LPFC_NODELIST entry. It is also called if the driver initiates a
1488 * LOGO that completes successfully, and we are waiting to PLOGI back
1489 * to the remote NPort. In addition, it is called after we receive
1490 * and unsolicated ELS cmd, send back a rsp, the rsp completes and
1491 * we are waiting to PLOGI back to the remote NPort.
1492 */
1493int
1494lpfc_unreg_rpi(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1495{
1496 LPFC_MBOXQ_t *mbox;
1497 int rc;
1498
1499 if (ndlp->nlp_rpi) {
1500 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
1501 lpfc_unreg_login(phba, ndlp->nlp_rpi, mbox);
1502 mbox->mbox_cmpl=lpfc_sli_def_mbox_cmpl;
1503 rc = lpfc_sli_issue_mbox
1504 (phba, mbox, (MBX_NOWAIT | MBX_STOP_IOCB));
1505 if (rc == MBX_NOT_FINISHED)
1506 mempool_free( mbox, phba->mbox_mem_pool);
1507 }
dea3101e
JB		 1508 lpfc_no_rpi(phba, ndlp);
1509 ndlp->nlp_rpi = 0;
1510 return 1;
1511 }
1512 return 0;
1513}
1514
1515/*
1516 * Free resources associated with LPFC_NODELIST entry
1517 * so it can be freed.
1518 */
1519static int
1520lpfc_freenode(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1521{
1522 LPFC_MBOXQ_t *mb;
1523 LPFC_MBOXQ_t *nextmb;
1524 struct lpfc_dmabuf *mp;
dea3101e
JB		 1525
1526 /* Cleanup node for NPort <nlp_DID> */
1527 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1528 "%d:0900 Cleanup node for NPort x%x "
1529 "Data: x%x x%x x%x\n",
1530 phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag,
1531 ndlp->nlp_state, ndlp->nlp_rpi);
1532
1533 lpfc_nlp_list(phba, ndlp, NLP_JUST_DQ);
1534
1535 /*
1536 * if unloading the driver - just leave the remote port in place.
1537 * The driver unload will force the attached devices to detach
1538 * and flush cache's w/o generating flush errors.
1539 */
1540 if ((ndlp->rport) && !(phba->fc_flag & FC_UNLOADING)) {
19a7b4ae 1541 lpfc_unregister_remote_port(phba, ndlp);
dea3101e
JB		 1542 ndlp->nlp_sid = NLP_NO_SID;
1543 }
1544
1545 /* cleanup any ndlp on mbox q waiting for reglogin cmpl */
1546 if ((mb = phba->sli.mbox_active)) {
1547 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1548 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1549 mb->context2 = NULL;
1550 mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
1551 }
1552 }
1553 list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
1554 if ((mb->mb.mbxCommand == MBX_REG_LOGIN64) &&
1555 (ndlp == (struct lpfc_nodelist *) mb->context2)) {
1556 mp = (struct lpfc_dmabuf *) (mb->context1);
1557 if (mp) {
1558 lpfc_mbuf_free(phba, mp->virt, mp->phys);
1559 kfree(mp);
1560 }
1561 list_del(&mb->list);
1562 mempool_free(mb, phba->mbox_mem_pool);
1563 }
1564 }
1565
1566 lpfc_els_abort(phba,ndlp,0);
1567 spin_lock_irq(phba->host->host_lock);
1568 ndlp->nlp_flag &= ~(NLP_NODEV_TMO|NLP_DELAY_TMO);
1569 spin_unlock_irq(phba->host->host_lock);
1570 del_timer_sync(&ndlp->nlp_tmofunc);
1571
1572 del_timer_sync(&ndlp->nlp_delayfunc);
1573
1574 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1575 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1576 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1577 list_del_init(&ndlp->els_retry_evt.evt_listp);
1578
1579 lpfc_unreg_rpi(phba, ndlp);
1580
1581 return (0);
1582}
1583
1584/*
1585 * Check to see if we can free the nlp back to the freelist.
1586 * If we are in the middle of using the nlp in the discovery state
1587 * machine, defer the free till we reach the end of the state machine.
1588 */
1589int
1590lpfc_nlp_remove(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
1591{
1592 if (ndlp->nlp_flag & NLP_NODEV_TMO) {
1593 spin_lock_irq(phba->host->host_lock);
1594 ndlp->nlp_flag &= ~NLP_NODEV_TMO;
1595 spin_unlock_irq(phba->host->host_lock);
1596 del_timer_sync(&ndlp->nlp_tmofunc);
1597 if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp))
1598 list_del_init(&ndlp->nodev_timeout_evt.evt_listp);
1599
1600 }
1601
1602
1603 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1604 spin_lock_irq(phba->host->host_lock);
1605 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1606 spin_unlock_irq(phba->host->host_lock);
1607 del_timer_sync(&ndlp->nlp_delayfunc);
1608 if (!list_empty(&ndlp->els_retry_evt.evt_listp))
1609 list_del_init(&ndlp->els_retry_evt.evt_listp);
1610 }
1611
1612 if (ndlp->nlp_disc_refcnt) {
1613 spin_lock_irq(phba->host->host_lock);
1614 ndlp->nlp_flag |= NLP_DELAY_REMOVE;
1615 spin_unlock_irq(phba->host->host_lock);
1616 }
1617 else {
1618 lpfc_freenode(phba, ndlp);
1619 mempool_free( ndlp, phba->nlp_mem_pool);
1620 }
1621 return(0);
1622}
1623
1624static int
1625lpfc_matchdid(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, uint32_t did)
1626{
1627 D_ID mydid;
1628 D_ID ndlpdid;
1629 D_ID matchdid;
1630
1631 if (did == Bcast_DID)
1632 return (0);
1633
1634 if (ndlp->nlp_DID == 0) {
1635 return (0);
1636 }
1637
1638 /* First check for Direct match */
1639 if (ndlp->nlp_DID == did)
1640 return (1);
1641
1642 /* Next check for area/domain identically equals 0 match */
1643 mydid.un.word = phba->fc_myDID;
1644 if ((mydid.un.b.domain == 0) && (mydid.un.b.area == 0)) {
1645 return (0);
1646 }
1647
1648 matchdid.un.word = did;
1649 ndlpdid.un.word = ndlp->nlp_DID;
1650 if (matchdid.un.b.id == ndlpdid.un.b.id) {
1651 if ((mydid.un.b.domain == matchdid.un.b.domain) &&
1652 (mydid.un.b.area == matchdid.un.b.area)) {
1653 if ((ndlpdid.un.b.domain == 0) &&
1654 (ndlpdid.un.b.area == 0)) {
1655 if (ndlpdid.un.b.id)
1656 return (1);
1657 }
1658 return (0);
1659 }
1660
1661 matchdid.un.word = ndlp->nlp_DID;
1662 if ((mydid.un.b.domain == ndlpdid.un.b.domain) &&
1663 (mydid.un.b.area == ndlpdid.un.b.area)) {
1664 if ((matchdid.un.b.domain == 0) &&
1665 (matchdid.un.b.area == 0)) {
1666 if (matchdid.un.b.id)
1667 return (1);
1668 }
1669 }
1670 }
1671 return (0);
1672}
1673
1674/* Search for a nodelist entry on a specific list */
1675struct lpfc_nodelist *
1676lpfc_findnode_did(struct lpfc_hba * phba, uint32_t order, uint32_t did)
1677{
1678 struct lpfc_nodelist *ndlp, *next_ndlp;
1679 uint32_t data1;
1680
1681 if (order & NLP_SEARCH_UNMAPPED) {
1682 list_for_each_entry_safe(ndlp, next_ndlp,
1683 &phba->fc_nlpunmap_list, nlp_listp) {
1684 if (lpfc_matchdid(phba, ndlp, did)) {
1685 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1686 ((uint32_t) ndlp->nlp_xri << 16) |
1687 ((uint32_t) ndlp->nlp_type << 8) |
1688 ((uint32_t) ndlp->nlp_rpi & 0xff));
1689 /* FIND node DID unmapped */
1690 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1691 "%d:0929 FIND node DID unmapped"
1692 " Data: x%p x%x x%x x%x\n",
1693 phba->brd_no,
1694 ndlp, ndlp->nlp_DID,
1695 ndlp->nlp_flag, data1);
1696 return (ndlp);
1697 }
1698 }
1699 }
1700
1701 if (order & NLP_SEARCH_MAPPED) {
1702 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_nlpmap_list,
1703 nlp_listp) {
1704 if (lpfc_matchdid(phba, ndlp, did)) {
1705
1706 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1707 ((uint32_t) ndlp->nlp_xri << 16) |
1708 ((uint32_t) ndlp->nlp_type << 8) |
1709 ((uint32_t) ndlp->nlp_rpi & 0xff));
1710 /* FIND node DID mapped */
1711 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1712 "%d:0930 FIND node DID mapped "
1713 "Data: x%p x%x x%x x%x\n",
1714 phba->brd_no,
1715 ndlp, ndlp->nlp_DID,
1716 ndlp->nlp_flag, data1);
1717 return (ndlp);
1718 }
1719 }
1720 }
1721
1722 if (order & NLP_SEARCH_PLOGI) {
1723 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
1724 nlp_listp) {
1725 if (lpfc_matchdid(phba, ndlp, did)) {
1726
1727 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1728 ((uint32_t) ndlp->nlp_xri << 16) |
1729 ((uint32_t) ndlp->nlp_type << 8) |
1730 ((uint32_t) ndlp->nlp_rpi & 0xff));
1731 /* LOG change to PLOGI */
1732 /* FIND node DID plogi */
1733 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1734 "%d:0908 FIND node DID plogi "
1735 "Data: x%p x%x x%x x%x\n",
1736 phba->brd_no,
1737 ndlp, ndlp->nlp_DID,
1738 ndlp->nlp_flag, data1);
1739 return (ndlp);
1740 }
1741 }
1742 }
1743
1744 if (order & NLP_SEARCH_ADISC) {
1745 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1746 nlp_listp) {
1747 if (lpfc_matchdid(phba, ndlp, did)) {
1748
1749 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1750 ((uint32_t) ndlp->nlp_xri << 16) |
1751 ((uint32_t) ndlp->nlp_type << 8) |
1752 ((uint32_t) ndlp->nlp_rpi & 0xff));
1753 /* LOG change to ADISC */
1754 /* FIND node DID adisc */
1755 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1756 "%d:0931 FIND node DID adisc "
1757 "Data: x%p x%x x%x x%x\n",
1758 phba->brd_no,
1759 ndlp, ndlp->nlp_DID,
1760 ndlp->nlp_flag, data1);
1761 return (ndlp);
1762 }
1763 }
1764 }
1765
1766 if (order & NLP_SEARCH_REGLOGIN) {
1767 list_for_each_entry_safe(ndlp, next_ndlp,
1768 &phba->fc_reglogin_list, nlp_listp) {
1769 if (lpfc_matchdid(phba, ndlp, did)) {
1770
1771 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1772 ((uint32_t) ndlp->nlp_xri << 16) |
1773 ((uint32_t) ndlp->nlp_type << 8) |
1774 ((uint32_t) ndlp->nlp_rpi & 0xff));
1775 /* LOG change to REGLOGIN */
1776 /* FIND node DID reglogin */
1777 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1778 "%d:0931 FIND node DID reglogin"
1779 " Data: x%p x%x x%x x%x\n",
1780 phba->brd_no,
1781 ndlp, ndlp->nlp_DID,
1782 ndlp->nlp_flag, data1);
1783 return (ndlp);
1784 }
1785 }
1786 }
1787
1788 if (order & NLP_SEARCH_PRLI) {
1789 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_prli_list,
1790 nlp_listp) {
1791 if (lpfc_matchdid(phba, ndlp, did)) {
1792
1793 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1794 ((uint32_t) ndlp->nlp_xri << 16) |
1795 ((uint32_t) ndlp->nlp_type << 8) |
1796 ((uint32_t) ndlp->nlp_rpi & 0xff));
1797 /* LOG change to PRLI */
1798 /* FIND node DID prli */
1799 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1800 "%d:0931 FIND node DID prli "
1801 "Data: x%p x%x x%x x%x\n",
1802 phba->brd_no,
1803 ndlp, ndlp->nlp_DID,
1804 ndlp->nlp_flag, data1);
1805 return (ndlp);
1806 }
1807 }
1808 }
1809
1810 if (order & NLP_SEARCH_NPR) {
1811 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
1812 nlp_listp) {
1813 if (lpfc_matchdid(phba, ndlp, did)) {
1814
1815 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1816 ((uint32_t) ndlp->nlp_xri << 16) |
1817 ((uint32_t) ndlp->nlp_type << 8) |
1818 ((uint32_t) ndlp->nlp_rpi & 0xff));
1819 /* LOG change to NPR */
1820 /* FIND node DID npr */
1821 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1822 "%d:0931 FIND node DID npr "
1823 "Data: x%p x%x x%x x%x\n",
1824 phba->brd_no,
1825 ndlp, ndlp->nlp_DID,
1826 ndlp->nlp_flag, data1);
1827 return (ndlp);
1828 }
1829 }
1830 }
1831
1832 if (order & NLP_SEARCH_UNUSED) {
1833 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
1834 nlp_listp) {
1835 if (lpfc_matchdid(phba, ndlp, did)) {
1836
1837 data1 = (((uint32_t) ndlp->nlp_state << 24) |
1838 ((uint32_t) ndlp->nlp_xri << 16) |
1839 ((uint32_t) ndlp->nlp_type << 8) |
1840 ((uint32_t) ndlp->nlp_rpi & 0xff));
1841 /* LOG change to UNUSED */
1842 /* FIND node DID unused */
1843 lpfc_printf_log(phba, KERN_INFO, LOG_NODE,
1844 "%d:0931 FIND node DID unused "
1845 "Data: x%p x%x x%x x%x\n",
1846 phba->brd_no,
1847 ndlp, ndlp->nlp_DID,
1848 ndlp->nlp_flag, data1);
1849 return (ndlp);
1850 }
1851 }
1852 }
1853
1854 /* FIND node did <did> NOT FOUND */
1855 lpfc_printf_log(phba,
1856 KERN_INFO,
1857 LOG_NODE,
1858 "%d:0932 FIND node did x%x NOT FOUND Data: x%x\n",
1859 phba->brd_no, did, order);
1860
1861 /* no match found */
1862 return NULL;
1863}
1864
1865struct lpfc_nodelist *
1866lpfc_setup_disc_node(struct lpfc_hba * phba, uint32_t did)
1867{
1868 struct lpfc_nodelist *ndlp;
1869 uint32_t flg;
1870
c9f8735b
JW		 1871 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, did);
1872 if (!ndlp) {
1873 if ((phba->fc_flag & FC_RSCN_MODE) &&
dea3101e
JB		 1874 ((lpfc_rscn_payload_check(phba, did) == 0)))
1875 return NULL;
1876 ndlp = (struct lpfc_nodelist *)
1877 mempool_alloc(phba->nlp_mem_pool, GFP_KERNEL);
1878 if (!ndlp)
1879 return NULL;
1880 lpfc_nlp_init(phba, ndlp, did);
1881 ndlp->nlp_state = NLP_STE_NPR_NODE;
1882 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1883 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1884 return ndlp;
1885 }
c9f8735b 1886 if (phba->fc_flag & FC_RSCN_MODE) {
dea3101e
JB		 1887 if (lpfc_rscn_payload_check(phba, did)) {
1888 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
c9f8735b
JW		 1889
1890 /* Since this node is marked for discovery,
1891 * delay timeout is not needed.
1892 */
1893 if (ndlp->nlp_flag & NLP_DELAY_TMO) {
1894 ndlp->nlp_flag &= ~NLP_DELAY_TMO;
1895 spin_unlock_irq(phba->host->host_lock);
1896 del_timer_sync(&ndlp->nlp_delayfunc);
1897 spin_lock_irq(phba->host->host_lock);
1898 if (!list_empty(&ndlp->els_retry_evt.
1899 evt_listp))
1900 list_del_init(&ndlp->els_retry_evt.
1901 evt_listp);
1902 }
dea3101e
JB		 1903 }
1904 else {
1905 ndlp->nlp_flag &= ~NLP_NPR_2B_DISC;
1906 ndlp = NULL;
1907 }
1908 }
1909 else {
1910 flg = ndlp->nlp_flag & NLP_LIST_MASK;
c9f8735b 1911 if ((flg == NLP_ADISC_LIST) || (flg == NLP_PLOGI_LIST))
dea3101e 1912 return NULL;
dea3101e
JB		 1913 ndlp->nlp_state = NLP_STE_NPR_NODE;
1914 lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST);
1915 ndlp->nlp_flag |= NLP_NPR_2B_DISC;
1916 }
1917 return ndlp;
1918}
1919
1920/* Build a list of nodes to discover based on the loopmap */
1921void
1922lpfc_disc_list_loopmap(struct lpfc_hba * phba)
1923{
1924 int j;
1925 uint32_t alpa, index;
1926
1927 if (phba->hba_state <= LPFC_LINK_DOWN) {
1928 return;
1929 }
1930 if (phba->fc_topology != TOPOLOGY_LOOP) {
1931 return;
1932 }
1933
1934 /* Check for loop map present or not */
1935 if (phba->alpa_map[0]) {
1936 for (j = 1; j <= phba->alpa_map[0]; j++) {
1937 alpa = phba->alpa_map[j];
1938
1939 if (((phba->fc_myDID & 0xff) == alpa) || (alpa == 0)) {
1940 continue;
1941 }
1942 lpfc_setup_disc_node(phba, alpa);
1943 }
1944 } else {
1945 /* No alpamap, so try all alpa's */
1946 for (j = 0; j < FC_MAXLOOP; j++) {
1947 /* If cfg_scan_down is set, start from highest
1948 * ALPA (0xef) to lowest (0x1).
1949 */
1950 if (phba->cfg_scan_down)
1951 index = j;
1952 else
1953 index = FC_MAXLOOP - j - 1;
1954 alpa = lpfcAlpaArray[index];
1955 if ((phba->fc_myDID & 0xff) == alpa) {
1956 continue;
1957 }
1958
1959 lpfc_setup_disc_node(phba, alpa);
1960 }
1961 }
1962 return;
1963}
1964
1965/* Start Link up / RSCN discovery on NPR list */
1966void
1967lpfc_disc_start(struct lpfc_hba * phba)
1968{
1969 struct lpfc_sli *psli;
1970 LPFC_MBOXQ_t *mbox;
1971 struct lpfc_nodelist *ndlp, *next_ndlp;
1972 uint32_t did_changed, num_sent;
1973 uint32_t clear_la_pending;
1974 int rc;
1975
1976 psli = &phba->sli;
1977
1978 if (phba->hba_state <= LPFC_LINK_DOWN) {
1979 return;
1980 }
1981 if (phba->hba_state == LPFC_CLEAR_LA)
1982 clear_la_pending = 1;
1983 else
1984 clear_la_pending = 0;
1985
1986 if (phba->hba_state < LPFC_HBA_READY) {
1987 phba->hba_state = LPFC_DISC_AUTH;
1988 }
1989 lpfc_set_disctmo(phba);
1990
1991 if (phba->fc_prevDID == phba->fc_myDID) {
1992 did_changed = 0;
1993 } else {
1994 did_changed = 1;
1995 }
1996 phba->fc_prevDID = phba->fc_myDID;
1997 phba->num_disc_nodes = 0;
1998
1999 /* Start Discovery state <hba_state> */
2000 lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
2001 "%d:0202 Start Discovery hba state x%x "
2002 "Data: x%x x%x x%x\n",
2003 phba->brd_no, phba->hba_state, phba->fc_flag,
2004 phba->fc_plogi_cnt, phba->fc_adisc_cnt);
2005
2006 /* If our did changed, we MUST do PLOGI */
2007 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2008 nlp_listp) {
2009 if (ndlp->nlp_flag & NLP_NPR_2B_DISC) {
2010 if (did_changed) {
2011 spin_lock_irq(phba->host->host_lock);
2012 ndlp->nlp_flag &= ~NLP_NPR_ADISC;
2013 spin_unlock_irq(phba->host->host_lock);
2014 }
2015 }
2016 }
2017
2018 /* First do ADISCs - if any */
2019 num_sent = lpfc_els_disc_adisc(phba);
2020
2021 if (num_sent)
2022 return;
2023
2024 if ((phba->hba_state < LPFC_HBA_READY) && (!clear_la_pending)) {
2025 /* If we get here, there is nothing to ADISC */
2026 if ((mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL))) {
2027 phba->hba_state = LPFC_CLEAR_LA;
2028 lpfc_clear_la(phba, mbox);
2029 mbox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2030 rc = lpfc_sli_issue_mbox(phba, mbox,
2031 (MBX_NOWAIT | MBX_STOP_IOCB));
2032 if (rc == MBX_NOT_FINISHED) {
2033 mempool_free( mbox, phba->mbox_mem_pool);
2034 lpfc_disc_flush_list(phba);
2035 psli->ring[(psli->ip_ring)].flag &=
2036 ~LPFC_STOP_IOCB_EVENT;
2037 psli->ring[(psli->fcp_ring)].flag &=
2038 ~LPFC_STOP_IOCB_EVENT;
2039 psli->ring[(psli->next_ring)].flag &=
2040 ~LPFC_STOP_IOCB_EVENT;
2041 phba->hba_state = LPFC_HBA_READY;
2042 }
2043 }
2044 } else {
2045 /* Next do PLOGIs - if any */
2046 num_sent = lpfc_els_disc_plogi(phba);
2047
2048 if (num_sent)
2049 return;
2050
2051 if (phba->fc_flag & FC_RSCN_MODE) {
2052 /* Check to see if more RSCNs came in while we
2053 * were processing this one.
2054 */
2055 if ((phba->fc_rscn_id_cnt == 0) &&
2056 (!(phba->fc_flag & FC_RSCN_DISCOVERY))) {
2057 spin_lock_irq(phba->host->host_lock);
2058 phba->fc_flag &= ~FC_RSCN_MODE;
2059 spin_unlock_irq(phba->host->host_lock);
2060 }
2061 else
2062 lpfc_els_handle_rscn(phba);
2063 }
2064 }
2065 return;
2066}
2067
2068/*
2069 * Ignore completion for all IOCBs on tx and txcmpl queue for ELS
2070 * ring the match the sppecified nodelist.
2071 */
2072static void
2073lpfc_free_tx(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp)
2074{
2075 struct lpfc_sli *psli;
2076 IOCB_t *icmd;
2077 struct lpfc_iocbq *iocb, *next_iocb;
2078 struct lpfc_sli_ring *pring;
2079 struct lpfc_dmabuf *mp;
2080
2081 psli = &phba->sli;
2082 pring = &psli->ring[LPFC_ELS_RING];
2083
2084 /* Error matching iocb on txq or txcmplq
2085 * First check the txq.
2086 */
2087 list_for_each_entry_safe(iocb, next_iocb, &pring->txq, list) {
2088 if (iocb->context1 != ndlp) {
2089 continue;
2090 }
2091 icmd = &iocb->iocb;
2092 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2093 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2094
2095 list_del(&iocb->list);
2096 pring->txq_cnt--;
2097 lpfc_els_free_iocb(phba, iocb);
2098 }
2099 }
2100
2101 /* Next check the txcmplq */
2102 list_for_each_entry_safe(iocb, next_iocb, &pring->txcmplq, list) {
2103 if (iocb->context1 != ndlp) {
2104 continue;
2105 }
2106 icmd = &iocb->iocb;
2107 if ((icmd->ulpCommand == CMD_ELS_REQUEST64_CR) ||
2108 (icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
2109
2110 iocb->iocb_cmpl = NULL;
2111 /* context2 = cmd, context2->next = rsp, context3 =
2112 bpl */
2113 if (iocb->context2) {
2114 /* Free the response IOCB before handling the
2115 command. */
2116
2117 mp = (struct lpfc_dmabuf *) (iocb->context2);
2118 mp = list_get_first(&mp->list,
2119 struct lpfc_dmabuf,
2120 list);
2121 if (mp) {
2122 /* Delay before releasing rsp buffer to
2123 * give UNREG mbox a chance to take
2124 * effect.
2125 */
2126 list_add(&mp->list,
2127 &phba->freebufList);
2128 }
2129 lpfc_mbuf_free(phba,
2130 ((struct lpfc_dmabuf *)
2131 iocb->context2)->virt,
2132 ((struct lpfc_dmabuf *)
2133 iocb->context2)->phys);
2134 kfree(iocb->context2);
2135 }
2136
2137 if (iocb->context3) {
2138 lpfc_mbuf_free(phba,
2139 ((struct lpfc_dmabuf *)
2140 iocb->context3)->virt,
2141 ((struct lpfc_dmabuf *)
2142 iocb->context3)->phys);
2143 kfree(iocb->context3);
2144 }
2145 }
2146 }
2147
2148 return;
2149}
2150
2151void
2152lpfc_disc_flush_list(struct lpfc_hba * phba)
2153{
2154 struct lpfc_nodelist *ndlp, *next_ndlp;
2155
2156 if (phba->fc_plogi_cnt) {
2157 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_plogi_list,
2158 nlp_listp) {
2159 lpfc_free_tx(phba, ndlp);
2160 lpfc_nlp_remove(phba, ndlp);
2161 }
2162 }
2163 if (phba->fc_adisc_cnt) {
2164 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_adisc_list,
2165 nlp_listp) {
2166 lpfc_free_tx(phba, ndlp);
2167 lpfc_nlp_remove(phba, ndlp);
2168 }
2169 }
2170 return;
2171}
2172
2173/*****************************************************************************/
2174/*
2175 * NAME: lpfc_disc_timeout
2176 *
2177 * FUNCTION: Fibre Channel driver discovery timeout routine.
2178 *
2179 * EXECUTION ENVIRONMENT: interrupt only
2180 *
2181 * CALLED FROM:
2182 * Timer function
2183 *
2184 * RETURNS:
2185 * none
2186 */
2187/*****************************************************************************/
2188void
2189lpfc_disc_timeout(unsigned long ptr)
2190{
2191 struct lpfc_hba *phba = (struct lpfc_hba *)ptr;
2192 unsigned long flags = 0;
2193
2194 if (unlikely(!phba))
2195 return;
2196
2197 spin_lock_irqsave(phba->host->host_lock, flags);
2198 if (!(phba->work_hba_events & WORKER_DISC_TMO)) {
2199 phba->work_hba_events |= WORKER_DISC_TMO;
2200 if (phba->work_wait)
2201 wake_up(phba->work_wait);
2202 }
2203 spin_unlock_irqrestore(phba->host->host_lock, flags);
2204 return;
2205}
2206
2207static void
2208lpfc_disc_timeout_handler(struct lpfc_hba *phba)
2209{
2210 struct lpfc_sli *psli;
c9f8735b 2211 struct lpfc_nodelist *ndlp, *next_ndlp;
dea3101e
JB		 2212 LPFC_MBOXQ_t *clearlambox, *initlinkmbox;
2213 int rc, clrlaerr = 0;
2214
2215 if (unlikely(!phba))
2216 return;
2217
2218 if (!(phba->fc_flag & FC_DISC_TMO))
2219 return;
2220
2221 psli = &phba->sli;
2222
2223 spin_lock_irq(phba->host->host_lock);
2224 phba->fc_flag &= ~FC_DISC_TMO;
2225 spin_unlock_irq(phba->host->host_lock);
2226
2227 switch (phba->hba_state) {
2228
2229 case LPFC_LOCAL_CFG_LINK:
2230 /* hba_state is identically LPFC_LOCAL_CFG_LINK while waiting for FAN */
2231 /* FAN timeout */
2232 lpfc_printf_log(phba,
2233 KERN_WARNING,
2234 LOG_DISCOVERY,
2235 "%d:0221 FAN timeout\n",
2236 phba->brd_no);
2237
c9f8735b
JW		 2238 /* Start discovery by sending FLOGI, clean up old rpis */
2239 list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list,
2240 nlp_listp) {
2241 if (ndlp->nlp_type & NLP_FABRIC) {
2242 /* Clean up the ndlp on Fabric connections */
2243 lpfc_nlp_list(phba, ndlp, NLP_NO_LIST);
2244 }
2245 else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) {
2246 /* Fail outstanding IO now since device
2247 * is marked for PLOGI.
2248 */
2249 lpfc_unreg_rpi(phba, ndlp);
2250 }
2251 }
dea3101e
JB		 2252 phba->hba_state = LPFC_FLOGI;
2253 lpfc_set_disctmo(phba);
2254 lpfc_initial_flogi(phba);
2255 break;
2256
2257 case LPFC_FLOGI:
2258 /* hba_state is identically LPFC_FLOGI while waiting for FLOGI cmpl */
2259 /* Initial FLOGI timeout */
2260 lpfc_printf_log(phba,
2261 KERN_ERR,
2262 LOG_DISCOVERY,
2263 "%d:0222 Initial FLOGI timeout\n",
2264 phba->brd_no);
2265
2266 /* Assume no Fabric and go on with discovery.
2267 * Check for outstanding ELS FLOGI to abort.
2268 */
2269
2270 /* FLOGI failed, so just use loop map to make discovery list */
2271 lpfc_disc_list_loopmap(phba);
2272
2273 /* Start discovery */
2274 lpfc_disc_start(phba);
2275 break;
2276
2277 case LPFC_FABRIC_CFG_LINK:
2278 /* hba_state is identically LPFC_FABRIC_CFG_LINK while waiting for
2279 NameServer login */
2280 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2281 "%d:0223 Timeout while waiting for NameServer "
2282 "login\n", phba->brd_no);
2283
2284 /* Next look for NameServer ndlp */
2285 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_ALL, NameServer_DID);
2286 if (ndlp)
2287 lpfc_nlp_remove(phba, ndlp);
2288 /* Start discovery */
2289 lpfc_disc_start(phba);
2290 break;
2291
2292 case LPFC_NS_QRY:
2293 /* Check for wait for NameServer Rsp timeout */
2294 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2295 "%d:0224 NameServer Query timeout "
2296 "Data: x%x x%x\n",
2297 phba->brd_no,
2298 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2299
2300 ndlp = lpfc_findnode_did(phba, NLP_SEARCH_UNMAPPED,
2301 NameServer_DID);
2302 if (ndlp) {
2303 if (phba->fc_ns_retry < LPFC_MAX_NS_RETRY) {
2304 /* Try it one more time */
2305 rc = lpfc_ns_cmd(phba, ndlp, SLI_CTNS_GID_FT);
2306 if (rc == 0)
2307 break;
2308 }
2309 phba->fc_ns_retry = 0;
2310 }
2311
2312 /* Nothing to authenticate, so CLEAR_LA right now */
2313 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2314 if (!clearlambox) {
2315 clrlaerr = 1;
2316 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2317 "%d:0226 Device Discovery "
2318 "completion error\n",
2319 phba->brd_no);
2320 phba->hba_state = LPFC_HBA_ERROR;
2321 break;
2322 }
2323
2324 phba->hba_state = LPFC_CLEAR_LA;
2325 lpfc_clear_la(phba, clearlambox);
2326 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2327 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2328 (MBX_NOWAIT | MBX_STOP_IOCB));
2329 if (rc == MBX_NOT_FINISHED) {
2330 mempool_free(clearlambox, phba->mbox_mem_pool);
2331 clrlaerr = 1;
2332 break;
2333 }
2334
2335 /* Setup and issue mailbox INITIALIZE LINK command */
2336 initlinkmbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2337 if (!initlinkmbox) {
2338 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2339 "%d:0226 Device Discovery "
2340 "completion error\n",
2341 phba->brd_no);
2342 phba->hba_state = LPFC_HBA_ERROR;
2343 break;
2344 }
2345
2346 lpfc_linkdown(phba);
2347 lpfc_init_link(phba, initlinkmbox, phba->cfg_topology,
2348 phba->cfg_link_speed);
2349 initlinkmbox->mb.un.varInitLnk.lipsr_AL_PA = 0;
2350 rc = lpfc_sli_issue_mbox(phba, initlinkmbox,
2351 (MBX_NOWAIT | MBX_STOP_IOCB));
2352 if (rc == MBX_NOT_FINISHED)
2353 mempool_free(initlinkmbox, phba->mbox_mem_pool);
2354
2355 break;
2356
2357 case LPFC_DISC_AUTH:
2358 /* Node Authentication timeout */
2359 lpfc_printf_log(phba,
2360 KERN_ERR,
2361 LOG_DISCOVERY,
2362 "%d:0227 Node Authentication timeout\n",
2363 phba->brd_no);
2364 lpfc_disc_flush_list(phba);
2365 clearlambox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
2366 if (!clearlambox) {
2367 clrlaerr = 1;
2368 lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
2369 "%d:0226 Device Discovery "
2370 "completion error\n",
2371 phba->brd_no);
2372 phba->hba_state = LPFC_HBA_ERROR;
2373 break;
2374 }
2375 phba->hba_state = LPFC_CLEAR_LA;
2376 lpfc_clear_la(phba, clearlambox);
2377 clearlambox->mbox_cmpl = lpfc_mbx_cmpl_clear_la;
2378 rc = lpfc_sli_issue_mbox(phba, clearlambox,
2379 (MBX_NOWAIT | MBX_STOP_IOCB));
2380 if (rc == MBX_NOT_FINISHED) {
2381 mempool_free(clearlambox, phba->mbox_mem_pool);
2382 clrlaerr = 1;
2383 }
2384 break;
2385
2386 case LPFC_CLEAR_LA:
2387 /* CLEAR LA timeout */
2388 lpfc_printf_log(phba,
2389 KERN_ERR,
2390 LOG_DISCOVERY,
2391 "%d:0228 CLEAR LA timeout\n",
2392 phba->brd_no);
2393 clrlaerr = 1;
2394 break;
2395
2396 case LPFC_HBA_READY:
2397 if (phba->fc_flag & FC_RSCN_MODE) {
2398 lpfc_printf_log(phba,
2399 KERN_ERR,
2400 LOG_DISCOVERY,
2401 "%d:0231 RSCN timeout Data: x%x x%x\n",
2402 phba->brd_no,
2403 phba->fc_ns_retry, LPFC_MAX_NS_RETRY);
2404
2405 /* Cleanup any outstanding ELS commands */
2406 lpfc_els_flush_cmd(phba);
2407
2408 lpfc_els_flush_rscn(phba);
2409 lpfc_disc_flush_list(phba);
2410 }
2411 break;
2412 }
2413
2414 if (clrlaerr) {
2415 lpfc_disc_flush_list(phba);
2416 psli->ring[(psli->ip_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2417 psli->ring[(psli->fcp_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2418 psli->ring[(psli->next_ring)].flag &= ~LPFC_STOP_IOCB_EVENT;
2419 phba->hba_state = LPFC_HBA_READY;
2420 }
2421
2422 return;
2423}
2424
2425static void
2426lpfc_nodev_timeout(unsigned long ptr)
2427{
2428 struct lpfc_hba *phba;
2429 struct lpfc_nodelist *ndlp;
2430 unsigned long iflag;
2431 struct lpfc_work_evt *evtp;
2432
2433 ndlp = (struct lpfc_nodelist *)ptr;
2434 phba = ndlp->nlp_phba;
2435 evtp = &ndlp->nodev_timeout_evt;
2436 spin_lock_irqsave(phba->host->host_lock, iflag);
2437
2438 if (!list_empty(&evtp->evt_listp)) {
2439 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2440 return;
2441 }
2442 evtp->evt_arg1 = ndlp;
2443 evtp->evt = LPFC_EVT_NODEV_TMO;
2444 list_add_tail(&evtp->evt_listp, &phba->work_list);
2445 if (phba->work_wait)
2446 wake_up(phba->work_wait);
2447
2448 spin_unlock_irqrestore(phba->host->host_lock, iflag);
2449 return;
2450}
2451
2452
2453/*
2454 * This routine handles processing a NameServer REG_LOGIN mailbox
2455 * command upon completion. It is setup in the LPFC_MBOXQ
2456 * as the completion routine when the command is
2457 * handed off to the SLI layer.
2458 */
2459void
2460lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba * phba, LPFC_MBOXQ_t * pmb)
2461{
2462 struct lpfc_sli *psli;
2463 MAILBOX_t *mb;
2464 struct lpfc_dmabuf *mp;
2465 struct lpfc_nodelist *ndlp;
2466
2467 psli = &phba->sli;
2468 mb = &pmb->mb;
2469
2470 ndlp = (struct lpfc_nodelist *) pmb->context2;
2471 mp = (struct lpfc_dmabuf *) (pmb->context1);
2472
2473 pmb->context1 = NULL;
2474
dea3101e 2475 ndlp->nlp_rpi = mb->un.varWords[0];
dea3101e
JB		 2476 ndlp->nlp_type |= NLP_FABRIC;
2477 ndlp->nlp_state = NLP_STE_UNMAPPED_NODE;
2478 lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST);
2479
2480 /* Start issuing Fabric-Device Management Interface (FDMI)
2481 * command to 0xfffffa (FDMI well known port)
2482 */
2483 if (phba->cfg_fdmi_on == 1) {
2484 lpfc_fdmi_cmd(phba, ndlp, SLI_MGMT_DHBA);
2485 } else {
2486 /*
2487 * Delay issuing FDMI command if fdmi-on=2
2488 * (supporting RPA/hostnmae)
2489 */
2490 mod_timer(&phba->fc_fdmitmo, jiffies + HZ * 60);
2491 }
2492
2493 lpfc_mbuf_free(phba, mp->virt, mp->phys);
2494 kfree(mp);
2495 mempool_free( pmb, phba->mbox_mem_pool);
2496
2497 return;
2498}
2499
2500/*
21568f53
JSEC		 2501 * This routine looks up the ndlp lists
2502 * for the given RPI. If rpi found
dea3101e 2503 * it return the node list pointer
21568f53 2504 * else return NULL.
dea3101e
JB		 2505 */
2506struct lpfc_nodelist *
2507lpfc_findnode_rpi(struct lpfc_hba * phba, uint16_t rpi)
2508{
21568f53
JSEC		 2509 struct lpfc_nodelist *ndlp;
2510 struct list_head * lists[]={&phba->fc_nlpunmap_list,
2511 &phba->fc_nlpmap_list,
2512 &phba->fc_plogi_list,
2513 &phba->fc_adisc_list,
2514 &phba->fc_reglogin_list};
2515 int i;
dea3101e 2516
21568f53
JSEC		 2517 for (i = 0; i < ARRAY_SIZE(lists); i++ )
2518 list_for_each_entry(ndlp, lists[i], nlp_listp)
2519 if (ndlp->nlp_rpi == rpi)
2520 return (ndlp);
dea3101e 2521
21568f53 2522 return NULL;
dea3101e
JB		 2523}
2524
2525void
2526lpfc_nlp_init(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp,
2527 uint32_t did)
2528{
2529 memset(ndlp, 0, sizeof (struct lpfc_nodelist));
2530 INIT_LIST_HEAD(&ndlp->nodev_timeout_evt.evt_listp);
2531 INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp);
2532 init_timer(&ndlp->nlp_tmofunc);
2533 ndlp->nlp_tmofunc.function = lpfc_nodev_timeout;
2534 ndlp->nlp_tmofunc.data = (unsigned long)ndlp;
2535 init_timer(&ndlp->nlp_delayfunc);
2536 ndlp->nlp_delayfunc.function = lpfc_els_retry_delay;
2537 ndlp->nlp_delayfunc.data = (unsigned long)ndlp;
2538 ndlp->nlp_DID = did;
2539 ndlp->nlp_phba = phba;
2540 ndlp->nlp_sid = NLP_NO_SID;
2541 return;
2542}
kernel source for telekom puls (alcatel/mediatek)